Well...I only listened to half of that video...but a couple of things, the OCW patent isn't about a "special fancy polymer", the patent was for the way the ingredients were combined, not what they were. Second, the UV inhibitor which is in OCW, which is the same as used in clearcoat paint, is known (at least from what Dr. G has told us) to migrate through paints and plastics, so let's at least be open to the idea that applying it topically could allow it to migrate through "traffic film" to the paint. Besides, it's going to be "stuck" to the paint for at least a little while along with the wax and sealant in OCW, which is better than not having a UV inhibitor at all.
PS Dr. G has explained that the reason there is so much fading of painted plastic parts on older clearcoated cars, is that they found that the UV inhibitor from the paint would migrate into the plastic parts (and therefore out of the paint), cause the clear on those parts to fail. Later they learned they had to put UV inhibitor into the plastic to prevent it from leaching the inhibitor out of the paint.